Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. Vaping and health Most smokers wrongly believe vaping is at least as harmful as smoking UCL News UCL University College London Despite FDA Decision, Vaping Is Still Not Safe American Nonsmokers' Rights Foundation no smoke.org e Cigarettes Safety Not Yet Proven CANSA The Cancer Association of South Africa CANSA The Cancer Association of South Africa